(1)  No liability attaches to –

(a) the Chief Inspector, an authorised officer or any other person engaged in the administration or enforcement of this Act; or

(b) a person employed by the Crown or the Chief Inspector to carry out analyses or any other function for the purposes of this Act –

for an honest act or omission in the exercise or performance, or purported exercise or performance, of a power, function or duty under this Act.

(2)  Subsection (1) does not preclude the Crown from incurring a liability that the Chief Inspector, an authorised officer or other person would, but for that subsection, incur.